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Commit 232f1d85 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

mn10300: Cleanup irq_desc access 



The migration needs only access to irq_data.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent f4c547eb

arch/mn10300/kernel/irq.c

+5 −6
Original line number Diff line number Diff line
@@ -403,23 +403,22 @@ int show_interrupts(struct seq_file *p, void *v) 
#ifdef CONFIG_HOTPLUG_CPU

void migrate_irqs(void)

{

	irq_desc_t *desc;

	int irq;

	unsigned int self, new;

	unsigned long flags;



	self = smp_processor_id();

	for (irq = 0; irq < NR_IRQS; irq++) {

		desc = irq_desc + irq;

		struct irq_data *data = irq_get_irq_data(irq);



		if (desc->status == IRQ_PER_CPU)

		if (irqd_is_per_cpu(data))

			continue;



		if (cpu_isset(self, irq_desc[irq].affinity) &&

		if (cpu_isset(self, data->affinity) &&

		    !cpus_intersects(irq_affinity[irq], cpu_online_map)) {

			int cpu_id;

			cpu_id = first_cpu(cpu_online_map);

			cpu_set(cpu_id, irq_desc[irq].affinity);

			cpu_set(cpu_id, data->affinity);

		}

		/* We need to operate irq_affinity_online atomically. */

		arch_local_cli_save(flags);
@@ -430,7 +429,7 @@ void migrate_irqs(void) 
			GxICR(irq) = x & GxICR_LEVEL;

			tmp = GxICR(irq);



			new = any_online_cpu(irq_desc[irq].affinity);

			new = any_online_cpu(data->affinity);

			irq_affinity_online[irq] = new;



			CROSS_GxICR(irq, new) =